EP1226046A1 - Procede et dispositif pour l'affichage d'une valeur de mesure dans un vehicule - Google Patents

Procede et dispositif pour l'affichage d'une valeur de mesure dans un vehicule

Info

Publication number
EP1226046A1
EP1226046A1 EP00982983A EP00982983A EP1226046A1 EP 1226046 A1 EP1226046 A1 EP 1226046A1 EP 00982983 A EP00982983 A EP 00982983A EP 00982983 A EP00982983 A EP 00982983A EP 1226046 A1 EP1226046 A1 EP 1226046A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
speed
display
maximum
determined
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00982983A
Other languages
German (de)
English (en)
Other versions
EP1226046B1 (fr
Inventor
Peter Hauler
Michael Walther
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1226046A1 publication Critical patent/EP1226046A1/fr
Application granted granted Critical
Publication of EP1226046B1 publication Critical patent/EP1226046B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/213—Virtual instruments

Definitions

  • the invention relates to a method for displaying a measured value according to the type of the main claim.
  • Instrument clusters in a motor vehicle are known, for example, from the publication "The Porsche Information and Diagnostic System” from VDI reports No. 687, 1988, in which a large number of display instruments are combined in one unit.
  • displays are provided to notify a driver of possible malfunctions in the vehicle, such as an excessively high cooling water temperature.
  • freely programmable instrument clusters in which all measurement variables and warning fields are displayed in a large screen or projection display, preferably arranged in front of the driver.
  • Such a screen display is known, for example, from the article "Star of the Future" from the magazine MOT-Technik, May 1991, page 94. Except for a situation-dependent output of warnings, as is already known with previous instrument clusters, the display in this freely programmable instrument cluster is limited to a situation-independent representation of measured variables.
  • measured values are displayed by adapting the displayed display range of the measured variable to the traffic situation. This is done in that a maximum scale value from at least one other value such as from the driving and operating data of the vehicle and / or from external or additional
  • Traffic information is determined. While when a measured variable is displayed regardless of the situation, an invariable maximum scale value of the display must always be taken as a basis, the maximum scale value in a speed display e.g. at the
  • the display area can be adapted to the respective traffic situation and the vehicle state by the method according to the invention.
  • the driver can thus be informed more precisely about the current measured value, which also makes it easier to detect smaller fluctuations in the measured value.
  • the scale is displayed in a warning color. Changes e.g. If the cooling water temperature is displayed in a warning color as a result of the cooling water temperature being too high, a driver is particularly advised of this. In general, the cooling water temperature will only be within a normal range, so that a driver may not immediately notice that a permissible value has been exceeded without an additional indication.
  • the speed display it is important, for example, when driving in fog that a driver does not drive faster than the visibility conditions allow. However, since fog makes orientation difficult on the other hand, a driver in this case is particularly dependent on an easily recognizable speed display in order to control his
  • Construction areas The additionally highlighted display of the speed scale in a warning color clearly indicates a driver's current speed.
  • the display of the measured value scale is enlarged, since this also ensures better readability.
  • the additional space required for this is only taken up by the display as long as the driver's special attention is required or until the driver has acted. For example, if the driver You can switch back to a standard display of a section of the route with a special speed limit, such as a construction site, or if the driver has refueled when the tank is too low.
  • the maximum scale value is selected such that a maximum permitted measured value is exceeded by the maximum scale value by at least a first percentage value and at most by a second percentage value, the second percentage value being chosen to be greater than the first percentage value.
  • the operating parameters can also be used for the calculation of a maximum or minimum scale value of another measured variable.
  • adaptation to the operating parameters is advantageous. For example, in the event of a vehicle defect, such as an oil pressure that is too low or a coolant temperature that is too high, the vehicle should not be driven too quickly, in particular to avoid engine damage.
  • the vehicle speed as a measurement variable that first a position of the vehicle and from this position the vehicle position
  • Street class is determined on which the vehicle is currently located.
  • the display range that is the minimum and maximum scale values of the speed scale, can be adapted in this way to the maximum speed permitted in this street class. It is also possible to adapt the speed scale to country-specific maximum speeds.
  • traffic signs can be recorded using a camera and, in particular in the case of traffic signs which prescribe the permitted maximum speed, the speed scale is adapted to the maximum speed specified by the traffic sign.
  • a radio link can be used to transmit to a vehicle that there is a local speed limit as a result of smog or an excessively high ozone concentration, the display range corresponding to the speed display is adjusted.
  • local speed limits for example in a tunnel or in a construction site area, can be communicated to the vehicle via the radio link and the display area can be modified in accordance with the speed limit.
  • the driver can manually enter a speed limit that influences the display range of the speed display. This procedure is particularly useful for restrictions that are difficult or impossible to detect. For example, when the snow chains are on, there is generally a maximum speed of 50 km / h. However, automatic detection of the snow chains on the wheels is complex. The same applies to slush and snow tires
  • the speed display can also be adapted to such a maximum speed by manual input.
  • a display of the instrument cluster is designed as a liquid crystal display or as a head-up display. Both displays require in a motor vehicle in comparison to one
  • the computing unit is connected to a device for audio output, so that the driver, in addition to the display adapted to the situation, when the measured values of the driving and operating data which require special attention and / or action on the part of the driver are determined receives an additional acoustic warning.
  • FIG. 1 shows a method according to the invention for displaying a measured value using the example of a display of a vehicle speed in a freely programmable instrument cluster
  • FIG. 2a shows the execution of a freely programmable instrument cluster according to the prior art
  • FIG. 2b shows the enlarged display of a speed indicator using the method according to the invention as a round instrument with a freely programmable instrument cluster
  • Figure 3 shows a speed display as a round instrument in a freely programmable
  • FIG. 4 shows a speed display modified according to the method according to the invention compared to FIG. 3
  • FIG. 5 shows another speed display as a round instrument in a freely programmable instrument cluster according to the method according to the invention
  • FIG. 6 shows another speed display with an additional warning symbol
  • FIGS According to the method according to the invention as a bar display in a freely programmable instrument cluster
  • FIG. 8 shows a device for displaying the vehicle speed in a freely programmable instrument cluster
  • FIGS. 9a and 9b shows an inventive display of the cooling water temperature
  • an embodiment of a method and an inventive method Device for performing the method based on the current vehicle speed executed as a measured value to be displayed.
  • a display of the vehicle speed is initialized, for example when the engine is started.
  • Standard operating data for displaying a speed such as a maximum and a minimum scale value of the speed display, which is dependent on the maximum speed of the vehicle, are preferably loaded from a non-volatile memory into a memory of a display device.
  • a maximum scale value is preferably provided which exceeds a maximum design speed of the vehicle by, for example, 40 km / h. 0 km / h is provided as the minimum scale value in the selected exemplary embodiment.
  • the initialization step 10 is followed by a data acquisition step 11.
  • all relevant data for the setting of the speed display are determined, in particular for the display area.
  • a position of the vehicle is determined via a navigation device present in the vehicle.
  • the street class on which the vehicle is located is determined from the position of the vehicle, and an allowed maximum speed is determined from the street class as a function of a stored maximum speed.
  • a camera attached to the vehicle is used to check whether the camera has detected a traffic sign since the last time data acquisition step 11 was carried out, which specifies a permitted maximum speed.
  • the driving and Operating data of the vehicle such as oil pressure, cooling water temperature, state of a trailer coupling and / or switched on state of a fog lamp.
  • the vehicle manufacturer must enter a value here, e.g. 60 km / h.
  • speed restrictions depending on the road class, e.g. 80 km / h on motorways in Germany.
  • the rear fog lamp may only be activated when the visibility is less than 50 m, so that you should not drive faster than 50 km / h.
  • speed limits are queried which exist in terms of time, for example due to smog or restrictions depending on traffic density, or locally, for example construction sites or tunnels.
  • a maximum scale value of the speed display is determined from the data recorded in data acquisition step 11. This is done in that a permissible maximum speed of the vehicle is determined in each case from the data or speed restrictions determined in data acquisition step 11. The lowest, permitted or possible speed is selected as the maximum speed from the determined maximum speeds. If a vehicle drives e.g. trouble-free on a country road (maximum speed 100 km / h), it has a design-related
  • the permissible value determined in this way becomes Maximum speed increased by a first percentage, so that even small exceedances of the permissible maximum speed can be shown in the speed display.
  • the value determined in this way is rounded up to a value that can be divided by ten without a remainder, so that the scale can be labeled with smooth values that make it easier for a user to read it. It is also possible to round up to a value divisible by five. This is of particular interest if only small amounts are displayed or if the speed is displayed in miles per hour.
  • a value of 40% is preferably provided as a first percentage.
  • An upper limit for the maximum scale value preferably twice the permissible speed, can be provided as a second percentage.
  • an additive surcharge to a permissible maximum speed with a subsequent rounding up can also be provided.
  • Maximum speeds from 30 km / h to less than 50 km / h are 30 km / h, for permissible maximum speeds between 50 km / h to less than 80 km / h this is 40 km / h, for permissible maximum speeds between 80 km / h to under 100 km / h this is 40 km / h and at top speeds over 100 km / h this is 50 km / h.
  • a decision step 13 following the calculation step 12, it is checked whether the calculation step 12 has resulted in a new, maximum scale value of the speed display. If this is the case, a branch is made to a display step 14.
  • the speed scale is shown in the display of the freely programmable instrument cluster adjusted to the new maximum scale value. If the current driving situation requires increased attention from a driver of the vehicle, such as special attention to the speed display, the speed scale is enlarged in display step 14 and / or displayed in a warning color, for example red, orange or yellow. This can be the case, for example, when the rear fog lamp is activated or when the speed limit that is variably specified in a range changes.
  • the driver is preferably given an acoustic warning so that the driver is not irritated by a suddenly changed display of the speed.
  • the process then branches back to data acquisition step 11.
  • the data acquisition step 11 is also reached directly from the decision step 13 if it is determined in the decision step 13 that no change in the speed display is required.
  • the method according to the invention runs as long as the vehicle is in operation. When the vehicle engine is switched off, this becomes
  • the method is interrupted at any point and starts again with the initialization step 10 when the vehicle is started again.
  • FIG. 2a shows a first display 20 of a freely programmable instrument cluster, as is already known from the prior art.
  • a first speed display 21 and a first tachometer 22 are shown as a round instrument.
  • a trip odometer 23 and an odometer 24 are present in the first display 20.
  • a tank display 25 and a coolant temperature display 26 are present in the first display 20.
  • FIG. 2b shows a second display 200 of the freely programmable instrument cluster modified according to the inventive method.
  • the same reference symbols also denote the same elements.
  • a second speed display 210 is shown enlarged compared to the first speed display 21.
  • a second tachometer 220 is shown reduced compared to the first tachometer 22.
  • the second speed indicator 210 is preferably shown in a warning color.
  • the second speed display 210 is now shown centrally in the second display 200 and is therefore particularly clearly visible to the driver. Both the trip odometer 23 and the odometer 24 are no longer shown in a central field of view of the second display 200.
  • a change in the second speed scale 210 or the maximum value of the second speed display 210 compared to the first speed display 21 is not shown in FIG. 2b and is explained in the following FIGS. 3 to 6.
  • a speed display is shown in FIG. 3 as a detail from the display of a freely programmable instrument cluster. This can be implemented both as the first speed display 21 or as the second speed display 210 from FIGS. 21 and 2b.
  • a pointer 33 is shown in the display, which moves over a first scale 30. The pointer 33 is a preferred one
  • Embodiment is not designed as a mechanical component, but the pointer 33 is shown graphically in the first or second speed display 21, 210.
  • the pointer 33 is shown graphically in the first or second speed display 21, 210.
  • the first scale 30 has scale marks 31, the scale marks 31 being provided with a label 32. For the sake of clarity in the drawing, only a tick mark and a label have been selected for labeling with a reference symbol.
  • the maximum scale value 320 is highlighted as a special inscription.
  • a measured value that is to say a current speed of the vehicle, is displayed by suitably positioning the pointer 33 above the first scale 30, so that a speed value can be clearly assigned to a position of the pointer.
  • FIG. 4 shows a second scale 34 with a second maximum scale value 350 of 100 km / h. While in Figure 3 there is no restriction on the maximum permissible speed of the vehicle, e.g. While driving on a German motorway, the illustration in FIG. 4 now shows a permissible maximum speed of 50 km / h, for example when driving in an urban area or with snow chains attached. Due to the greater spread of the speed display, the current vehicle speed is thus easier for the viewer to read. In addition, the maximum speed is arranged centrally in the middle and in an upper area of the second scale 34, so that the area of the permissible maximum speed is particularly well visible to a viewer.
  • FIG. 5 shows a third scale 36, which has a third maximum scale value 370 of 60 km / h.
  • the permissible speed here is 30 km / h, for example in a so-called Tempo 30 zone.
  • FIG. 6 shows a warning symbol 39 which generally informs the driver of a possible danger, for example impending ice formation.
  • the drawing does not show other, situation-related warning symbols, for example a snowflake if there is a risk of black ice, an oil can if the oil pressure is too low or a cooling water symbol if the cooling water is too hot.
  • a shortened pointer 38 is used to display the current speed. As a result of the shortening, the warning symbol 39 is not covered.
  • FIGS. 7a to 7e show a speed display according to the method according to the invention in a linear bar display 80.
  • a non-linear version of the bar display is also possible, for example an arc-shaped arrangement of the bar display.
  • FIG. 7a shows the bar display 80 with a display bar 81, a first background 82 and a first scale label 83 with speed values.
  • the scale inscription is limited to two scale values here and below. More scale values can also be specified for one version.
  • the display bar 81 is arranged in the bar display 80.
  • the speed bar begins at the left edge of the display and covers only areas in a lower part of the bar display 80.
  • the position of a right edge 90 of the display bar 81 designates the current vehicle speed, so that the current vehicle speed can be found for the viewer from the position of the right edge 90 and a scale label.
  • the first scale inscription 83 is shown in FIG. 7a a speed value of 100 km / h and 220 km / h selected.
  • the first background 82 is shown in green, for example. It is not necessary for the first background 82 to have a warning effect.
  • the display bar 81 preferably stands out clearly in color from the first background 82. The display bar 81 is therefore blue, for example.
  • FIG. 7b an area which is filled with a second background 84 is separated from the bar display 80.
  • a second lies opposite FIG. 7a
  • Scale marking 86 with speed values of 50 km / h and 80 km / h in front.
  • the second background is preferably carried out in a warning color, for example red. This warning color symbolizes that a speed lying in the area deposited with the second background is no longer permissible.
  • the first background 82 lies in the bar display to the left of the second background 84. The transition from the first background 82 to the second background 84 denotes the now permissible
  • a third scale inscription 87 with 25 km / h and 50 km / h is selected in FIG. 7c.
  • the right edge 90 of the display bar 81 reaches the transition between the first background 82 and the second background 84. This means that the vehicle is currently traveling at 50 km / h, that is to say at the permissible maximum speed.
  • a fourth scale marking 88 of 15 km / h and 30 km / h is selected in FIG. 7d.
  • a fifth scale inscription of 2 km / h and 5 km / h is selected in FIG. 7e. This display is possible, for example, for play streets where walking speed is the maximum permissible speed. From the first scale label 83 to the fifth scale label 89, the maximum displayed decreases with decreasing values Speed up the size of the displayed scale labels.
  • FIG. 8 shows an apparatus for performing the method according to the invention.
  • a computing unit 50 is connected to a display unit 51.
  • the computing unit 50 receives information from a navigation device 57, a camera 58, an antenna 59 with a receiving unit and from various vehicle sensors.
  • a navigation device 57 For example, an outside temperature sensor 52, a cooling water temperature sensor 53, an oil pressure sensor 54, a generator sensor 55 and a trailer coupling contact 56 are possible.
  • the computing unit 50 is connected to a loudspeaker 60.
  • the computing unit 50 is connected to a speed sensor 70 for determining the speed of the vehicle.
  • the computing unit is also connected to a manual input unit 72.
  • a rear fog light sensor 71 is connected to a switch lever of a rear fog lamp.
  • the computing unit 50 determines a permissible maximum speed from the various sources available to it and selects a minimum as the permissible maximum speed from the determined maximum speeds.
  • the navigation device 57 determines which road class the vehicle is currently on and which maximum speed applies to this road class. This is possible because the navigation device 57 uses satellite positioning, for example with the aid of the Global Positioning System (GPS), to carry out a location, assigns a position on the digital map to the location of the vehicle thus determined and one from the position in the digital map Street class determined. For this class of road, which is stored in the computing unit 50 or in the navigation device 57 permissible maximum speed applies to them.
  • the digital map is preferably shown on a storage medium (not shown in FIG. 8) which the navigation device 57 can access.
  • the maximum speed permitted for a road class can be different for different countries, the country also being able to be determined by the navigation device 57.
  • the permissible maximum speed is then calculated by the computing unit 50.
  • the camera 58 detects traffic signs on the roadside and evaluates them. If there is a traffic sign that limits the permissible maximum speed, this permissible maximum speed is also transmitted to the computing unit 50.
  • contact can be made with a service center (not shown in the figure) or with radio beacons (also not shown in the figure).
  • radio beacon is, for example, a transmitter unit whose signals can only be received within a limited range in the vicinity of a danger point.
  • a service center can, in particular, be temporary via a radio link and the antenna 59 of the computing unit 50
  • Radio beacons and service center are not shown in FIG. 8. The
  • Outside temperature sensor 52 can issue a warning to computing unit 50 when the outside temperature is near freezing point.
  • the computing unit 50 can accordingly issue a warning to the driver and limit the permissible maximum speed.
  • the computing unit 50 can also warn the driver and adapt the display of the vehicle speed to the permissible maximum speed. If it is determined via the trailer coupling contact 56 that a trailer is present, the display of the vehicle speed is adapted to the permissible maximum speed for a vehicle with a trailer.
  • the rear fog light sensor 71 detects whether the driver has switched on the rear fog light. Since this can only be done with a visibility of less than 50 m, the display of the vehicle speed is adapted to a permissible maximum speed of 50 km / h.
  • the rear fog light sensor can also be combined with a visual range sensor, not shown in the figure, which detects the visual range in the air surrounding the vehicle, for example by means of an absorption measurement.
  • the current vehicle speed is determined via a sensor provided for this purpose, for example a speed sensor 70, which is arranged, for example, in the region of the front axle and can detect the revolutions of the front wheels.
  • a desired maximum speed which is lower than the maximum speed of the vehicle, can be entered via the input unit 72, which is preferably provided with buttons, and the display range of the speed can thus be changed by the driver.
  • restrictions on the maximum speed are detected and displayed according to the invention which could only be detected electronically in a complex manner, for example restrictions due to snow chains which are fastened to the wheels of the vehicle, or from slush and Snow tires, the use of which generally no longer allows the design-related maximum speed of the vehicle.
  • the devices for data acquisition shown represent a possible selection from different data sources. Further, possible data sources can also be connected to the computing unit 50. On the other hand, data sources already in the vehicle, e.g. Sensors can be used to minimize the cost of the device.
  • the computing unit 50 has at least one microprocessor (not shown in FIG. 8) and a memory.
  • the computing unit 50 calculates the image of the freely programmable instrument cluster to be displayed in the display unit.
  • the driver is warned via a loudspeaker 60 if the display of the speed display has changed by the display unit 51.
  • the display unit 51 is preferably designed as a liquid crystal display or a head-up display. Even if the permissible is exceeded
  • FIGS. 9a and 9b show a cooling water temperature display, which is displayed using the method according to the invention.
  • a cooling water temperature is shown in a bar display 110 by a display bar 111.
  • the bar graph 110 has a scale label 112 that has a minimum value on a left edge 116 of the bar graph 110 rises to a right edge 117 of the bar display 110.
  • the left edge 116 represents a temperature of zero degrees Celsius and the right edge 117 a temperature of 140 degrees Celsius.
  • a right edge 115 of the display bar 111 represents the current temperature of the cooling water.
  • the display bar 111 extends from the left edge 116 to the right edge 115 of the display bar.
  • the display bar 111 only runs in a lower part of the bar display 110.
  • An upper part of the bar display advantageously remains free, so that a background is visible.
  • a first background is selected in a first region 113, which extends from a temperature of zero degrees Celsius to a temperature of 100 degrees Celsius.
  • This background is preferably a color that is generally not assigned a warning function, for example green.
  • a color is used as the background, which is generally assigned a warning function, for example red.
  • the display in FIG. 9a is preferably intended for an operation in which the cooling water temperature is low or at most a normal temperature.
  • the display bar 111 runs between a left edge 122 of the bar display 110 and a right edge 123 of the bar display 110.
  • a temperature value of 80 degrees Celsius is assigned to the left edge 122.
  • a temperature value of 140 degrees Celsius is assigned to the right edge 123 as with the right edge 117.
  • a scale label 118 consequently now has a temperature range from 80 degrees Celsius to 140 degrees Celsius.
  • the display need not necessarily be linear.
  • a temperature range of 20 degrees Celsius is covered in a first region 119.
  • the first area 119 is deposited with the same color as the first area 113 in FIG. 9a.
  • a second area 121 the the same extent of the display bar 111 as in the first area 119, only a temperature difference of 5 degrees Celsius was passed, so that a display with a higher reading accuracy is achieved.
  • the second area 121 is preferably deposited with the same color as the second area 114 in FIG. 9a.
  • the assignment to a measured value of the temperature of the cooling water also follows in the illustration in FIG. 9b.
  • FIGS. 10a to 10d show a fuel gauge using the method according to the invention.
  • a bar display 130 for the tank fill level is shown in FIG. 10a.
  • a display bar 131 begins at a left edge 134 of the bar display 130 and extends to a right edge 138 of the display bar 131.
  • the right edge 138 of the display bar 131 symbolizes the fill level of the tank.
  • the display bar 131 runs against a background 132.
  • the fill level of the tank is shown in FIG. 10a by a first symbol 133, which symbolizes an empty tank, by a second symbol 135, which symbolizes a half-full tank, and a third symbol 136, the one symbolizes full tank, shown.
  • the first symbol 133 is arranged on the left edge 134 of the bar display 130.
  • the third symbol 136 is on a right edge 137 of the
  • FIG. 10a An alternative representation of FIG. 10a is shown in FIG. 10b.
  • the symbols are replaced by a first label 149 of "351" and a second label 139 of "701".
  • the first and the second inscription 149, 139 are located above the bar display 130.
  • the second inscription 139 designates the full tank, the first inscription 149 the half-full tank.
  • FIG. 10c shows a tank indicator for the case that the tank fill level is approximately 35 liters, that is to say the tank is approximately half full.
  • a third label 143 of "40L” is now assigned to the right edge 137 of the bar display. This means that the maximum scale value of the fuel gauge was reduced from 70 liters to 40 liters from FIG. 10b when moving to FIG. 10c.
  • a fourth inscription 142 of "201" is provided in FIG. 10c, which symbolizes a tank with a filling of 20 liters.
  • the right edge 138 of the display bar 131 is located between the third lettering 143 and the fourth lettering 142, from which it can be seen that the tank must contain between 20 liters and 40 liters of fuel.
  • the bar graph 130 is divided into a first area 140 and a second area 141.
  • the first area 140 starts from the left edge 134 of the bar display 130.
  • the second area 141 adjoins the first area 140 on the right and ends at the right edge 137.
  • the first area 140 is backed with a background in a warning color.
  • the second area is not necessarily highlighted in a warning color, but is green, for example.
  • the colors of the background of the first and second areas 140 and 141 differ.
  • the first area 140 symbolizes the reserve area of the tank. If the tank level has dropped into this reserve area, action by the driver is required: The driver should either be from one Refill the reserve canister of fuel or go to a petrol station as soon as possible so that the vehicle does not get left without fuel.
  • the bar display 130 has a fifth inscription 147 on the right edge 137 and a sixth inscription 146 of
  • the maximum scale value is now 10 liters, as is clear from the fifth designation 147.
  • the first area 140 from FIG. 10c is extended in FIG. 10d to a reserve area 145 executed in a warning color, which extends to the center of the bar display 130.
  • the reserve area 145 which begins at the left edge 134 of the bar display, is followed by a remaining area 148 up to the right edge 137 of the bar display, which is not executed in a warning color.
  • the font in which the bar display 130 is labeled is larger as the maximum value of the bar display 130 decreases.
  • the exemplary embodiments are described for freely programmable instrument clusters, but can be transferred to any instrument cluster in motor vehicles in which at least one measured value is displayed on a screen and can be freely configured.
  • Other measurement values that are not shown in the freely programmable display can be shown in unchangeable displays, e.g. Pointer instruments.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Indicating Measured Values (AREA)
  • Instrument Panels (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour la représentation adaptée de valeurs de mesure dans un instrument combiné librement programmable. A cet effet, l'affichage est réglé de manière adaptative en fonction des caractéristiques de conduite et de fonctionnement du véhicule.
EP00982983A 1999-10-19 2000-10-10 Procede et dispositif pour l'affichage d'une valeur de mesure dans un vehicule Expired - Lifetime EP1226046B1 (fr)

Applications Claiming Priority (3)

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DE19950155A DE19950155C1 (de) 1999-10-19 1999-10-19 Verfahren und Vorrichtung zur Anzeige eines Meßwertes in einem Fahrzeug
DE19950155 1999-10-19
PCT/DE2000/003544 WO2001028803A1 (fr) 1999-10-19 2000-10-10 Procede et dispositif pour l'affichage d'une valeur de mesure dans un vehicule

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DE50012451D1 (de) 2006-05-11
DE19950155C1 (de) 2001-05-23
EP1226046B1 (fr) 2006-03-22
JP2003512230A (ja) 2003-04-02
JP5073900B2 (ja) 2012-11-14
US6721634B1 (en) 2004-04-13
WO2001028803A1 (fr) 2001-04-26

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